Update README.md

Fixed a few typos in the readme
Merge pull request #14 from gregoirjopla/patch-1

Update README.md
Merge pull request #18 from GeenenTijd/master

Use main-bower-files
update npm packages and replace phantom by chrome for protractor because it was to unstable
Replace ngmin with ng-annotate

Use gulp-ng-annotate since gulp-ngmin is deprecated
Merge pull request #22 from wrseward/master

Replace ngmin with ng-annotate
Update gulp-rev and gulp-rev-replace - fixes #12